| 序号 | 时间 (年) |
数据 (亿立方米) |
|---|---|---|
| 1 | 2019 | |
| 2 | 2018 | |
| 3 | 2017 | |
| 4 | 2016 | |
| 5 | 2015 | |
| 6 | 2014 | |
| 7 | 2013 | 46.02 |
| 8 | 2012 | 47.49 |
| 9 | 2011 | 48.86 |
| 10 | 2010 | 29.72 |
| 11 | 2009 | 24.94 |
| 12 | 2008 | 26.78 |
| 13 | 2007 | 23.40 |
| 14 | 2006 | 23.97 |
| 15 | 2005 | 20.97 |
| 16 | 2004 | 23.89 |
| 17 | 2003 | 24.08 |
| 18 | 2001 | 6.56 |
| 19 | 2000 | 5.28 |
| 20 | 1999 | 5.10 |
| 21 | 1998 | 5.58 |
| 22 | 1997 | 5.11 |
| 23 | 1996 | 2.38 |
